Re: [patch 00/60] x86/kpti: Kernel Page Table Isolation (was KAISER)
Linus Torvalds writes: (Summary) On Mon, Dec 4, 2017 at 6:07 AM, Thomas Gleixner <tglx@linutronix.de> wrote: [...] Linus, your call :) I think you probably chose the right name here. The...
View ArticleRe: [patch 00/60] x86/kpti: Kernel Page Table Isolation (was KAISER)
Linus Torvalds writes: (Summary) Even the sysenter stack setup etc that isn't really required without the other work seems sane and fine. work seems sane and fine. In fact, I have to say that the...
View ArticleRe: Linux 4.15-rc2: Regression in resume from ACPI S3
Linus Torvalds writes: (Summary) In particular, do you have a big "everything enabled" kernel config - particularly lockdep and irqflags tracing enabled? particularly lockdep and irqflags tracing...
View ArticleRe: NFS crash, hashed pointers in backtrace
Linus Torvalds writes: (Summary) Again, it's traditional, and it was useful back in the days, but we removed it on x86 about a year ago: the days, but we removed it on x86 about a year ago:...
View ArticleRe: [GIT PULL] arch/tile "bugfix" for 4.15-rc3
Linus Torvalds writes: On Tue, Dec 5, 2017 at 7:37 AM, Chris Metcalf <cmetcalf@mellanox.com> wrote: [...] detail in my email here: I already applied that emailed patch directly, since I was cc'd...
View ArticleRe: [PATCH] arch, mm: introduce arch_tlb_gather_mmu_exit
Linus Torvalds writes: (Summary) On Tue, Dec 5, 2017 at 6:58 AM, Michal Hocko <mhocko@kernel.org> So we fixed the oom reaper to just do proper TLB invalidates in commit 687cb0884a71 ("mm,...
View ArticleRe: [PATCH V11 4/5] vsprintf: add printk specifier %px
Linus Torvalds writes: (Summary) You'll get used to it. get used to it. So an actual "this was critical information that mattered for this particular bug, and it was missing due to the hashing of this...
View ArticleRe: [PATCH V11 3/5] printk: hash addresses printed with %p
Linus Torvalds writes: (Summary) You'll get used to it. get used to it. So an actual "this was critical information that mattered for this particular bug, and it was missing due to the hashing of this...
View ArticleRe: [PATCH V11 4/5] vsprintf: add printk specifier %px
Linus Torvalds writes: (Summary) In fact, it used to be a "%08lx" - and the value we print out is "unsigned long - but then when we unified the 32- and 64-bit architectures, using "%p" and a cast was a...
View ArticleRe: [PATCH V11 4/5] vsprintf: add printk specifier %px
Linus Torvalds writes: (Summary) On Tue, Dec 5, 2017 at 8:19 PM, Alexey Dobriyan <adobriyan@gmail.com> wrote: [...] to actually audit users: I don't see you having offered to audit the 12k+...
View ArticleRe: [PATCH V11 3/5] printk: hash addresses printed with %p
Linus Torvalds writes: (Summary) On Wed, Dec 6, 2017 at 3:21 PM, Kees Cook <keescook@chromium.org> wrote: [...] comparison still works. DavidL isn't talking about the _same_ pointer, he's talking...
View ArticleRe: [PATCH] NFS: allow name_to_handle_at() to work for Amazon EFS.
Linus Torvalds writes: (Summary) On Thu, Nov 30, 2017 at 12:56 PM, NeilBrown <neilb@suse.com> wrote: [...] +#define MAX_HANDLE_SZ 200 This really smells for so many reasons. This really smells...
View ArticleRe: [git pull] drm fixes for v4.15-rc3
Linus Torvalds writes: (Summary) wrote: [...] that were missing them, Oh Christ, couldn't they have just added the one-liner SPDX tags rather than doing that crazy "new 22 line boiler plate garbage to...
View ArticleRe: [GIT PULL for v4.15-rc3] media fixes
Linus Torvalds writes: (Summary) On Fri, Dec 8, 2017 at 7:56 AM, Mauro Carvalho Chehab <mchehab@osg.samsung.com> wrote:[...] changes - just comment changes at the source files; Guys, this was...
View ArticleRe: x86/ldt: Prevent ldt inheritance on exec
Linus Torvalds writes: (Summary) That said, can't we separate this out into the copy_mm() phase only? phase only? We have "arch_dup_mmap()" that is called on fork() only, so that could do the LDT copy...
View ArticleRe: Linux 4.15-rc2: Regression in resume from ACPI S3
Linus Torvalds writes: (Summary) [...] me commit id, that would help. The fix in there should be 5b06bbcfc2c6 ("x86/power: Fix some ordering bugs in __restore_processor_context()") so you can certainly...
View ArticleRe: Linux 4.15-rc2: Regression in resume from ACPI S3
Linus Torvalds writes: (Summary) Aha. Yeah, people do. Yeah, people do. Andy? Andy?[...] ...should take 10 seconds or so. I'm told 0day does *some* suspend/resume testing, but I think it's pretty...
View ArticleRe: [PATCH tip/core/rcu 02/20] torture: Prepare scripting for shif ...
Linus Torvalds writes: (Summary) Things like that. So I think that if people worry about leaking pointers, they should primarily go for: primarily go for: - just use %p and now get the hashed value -...
View ArticleRe: [PATCH] mm/slab: Do not hash pointers when debugging slab
Linus Torvalds writes: (Summary) wrote:[...] *dbg_userword(cachep, objp)); Is there actually any point to the %px at all? Is there actually any point to the %px at all? Why not remove it? [...]...
View ArticleRe: [PATCH 1/1] futex: futex_wake_op, fix sign_extend32 sign bits
Linus Torvalds writes: (Summary) On Thu, Nov 30, 2017 at 6:35 AM, Jiri Slaby <jslaby@suse.cz> I'm applying this directly to my tree since I didn't see anybody else react to it, but the whole...
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